package com.kun.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.kun.servicebase.exceptionhandler.KunException;
import com.kun.utils.R;
import com.kun.vod.Utils.VodUtils;
import com.kun.vod.Utils.vod;
import com.kun.vod.service.VodService;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {
    @Override
    public String uploadVideo(MultipartFile file) {
        try {
            String fileName=file.getOriginalFilename();
            String title =fileName.substring(0,fileName.lastIndexOf("."));
            InputStream inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(VodUtils.KEY_ID, VodUtils.KET_SECRET, title, fileName, inputStream);
            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
            }
            return videoId;
        }catch(Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    @Override
    public R delVideo(String id) {
        try {
            DefaultAcsClient client = vod.initVodClient(VodUtils.KEY_ID, VodUtils.KET_SECRET);
            DeleteVideoRequest request = new DeleteVideoRequest();
            request.setVideoIds(id);
            client.getAcsResponse(request);
            return R.ok();
        } catch (ClientException e) {
            e.printStackTrace();
            throw new KunException(20001,"删除失败");
        }

    }

    @Override
    public void removeMoreAlyVideo(List videoIdList) {
        try {
            //初始化对象
            DefaultAcsClient client = vod.initVodClient(VodUtils.KEY_ID, VodUtils.KET_SECRET);
            //创建删除视频request对象
            DeleteVideoRequest request = new DeleteVideoRequest();

            //videoIdList值转换成 1,2,3
            String videoIds = StringUtils.join(videoIdList.toArray(), ",");

            //向request设置视频id
            request.setVideoIds(videoIds);
            //调用初始化对象的方法实现删除
            client.getAcsResponse(request);
        }catch(Exception e) {
            e.printStackTrace();
            throw new KunException(20001,"删除视频失败");
        }
    }
}
